Thesehemline invisible snap fastenersalso called snap popper and press stud are a set of interlocking discs commonly used in place of buttons to fasten clothing these are a great alternative to buttons and zips and can be used to fasten shirts bags and other garments with easethere are 12 sets included in this pack each 7mm in size they will be easy to sew into your designs and are made of clear plastic perfect for sheer fabricsthe hemline range brings a huge variety of essential sewin